cudf::join_match_context Struct Reference

Holds context information about matches between tables during a join operation. More...

#include <join.hpp>

Public Member Functions
	join_match_context (table_view left_table, std::unique_ptr< rmm::device_uvector< size_type >> match_counts)
	Construct a join_match_context. More...
virtual	~join_match_context ()=default
	Virtual destructor for proper polymorphic deletion.

Public Attributes
table_view	_left_table
	View of the left table involved in the join operation.
std::unique_ptr< rmm::device_uvector< size_type > >	_match_counts

Detailed Description

Holds context information about matches between tables during a join operation.

This structure stores the left table view and a device vector containing the count of matching rows in the right table for each row in the left table. Used primarily by inner_join_match_context() to track join match information.

Definition at line 64 of file join.hpp.

Constructor & Destructor Documentation

join_match_context()

cudf::join_match_context::join_match_context ( table_view  left_table, std::unique_ptr< rmm::device_uvector< size_type >>  match_counts  )

inline

Construct a join_match_context.

Parameters

left_table	View of the left table involved in the join operation
match_counts	Device vector containing the count of matching rows in the right table for each row in the left table

Definition at line 77 of file join.hpp.

Member Data Documentation

_match_counts

std::unique_ptr<rmm::device_uvector<size_type> > cudf::join_match_context::_match_counts

A device vector containing the count of matching rows in the right table for each row in left table

Definition at line 67 of file join.hpp.

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The documentation for this struct was generated from the following file:

• join.hpp